Zhuhai belongs to the subtropical maritime climate with not cold winter, abundant rainfall and comfortable climate. Invasion by the South Asian tropical monsoon, the thunderstorm often hits Zhuhai. The annual average temperature is 22.3 ℃ and the minimum temperature is 2.5 ℃. The annual rainfall is between 1770 and 2300 mm. During the months from April to September, the southeast monsoon prevails, and the rainfall precipitates. The rainfall accounted for 85% of the whole year. During the months from October to next March, the northeast monsoon prevails, and the dry season comes.
Zhuhai’s average relative humidity of the atmosphere is 79%. The air relative humidity in early spring is higher than other time, and sometimes up to 100%.
Zhuhai’s severe weather is mainly typhoons and heavy rain. Typhoon often appears in the months from June to October and it happened about 4 times one year. The typhoon, which severely affected the city, often appears one time per year, torrential rain about 5 times.
Detailed Information on Seasons:
Spring (March-May): Zhuhai is foggy and wet with abundant rainfall and average temperature of 21.9℃. In March, the convergence of the cold air mass from the north and the warm air mass from the south, formed rain in spring; in April, the south's heating group significantly increased along the coast, strong convective weather is easy to form, such as thunderstorms, heavy rain, hail, tornadoes, and etc.; in May, the south is completely dominated by warm air mass, the weather began to hea
t, and the rainfall increased significantly at night.
Summer (June-August): It is hot. The hottest month is July, with an average temperature of 28.5℃. The canicule does not often appear. The extreme maximum temperature is 38.5℃, and the temperature over 35℃ does not appear over 3 days. The average temperature in summer is 28.1℃. In June, Sea typhoon hits the city easily and brings bad weather, which can cause big damage to the national economy.
Autumn (September-November): It is comfortable. The typhoon will occur in September. After September, cold air began to increase with little rain. It is often cool and sunny in October and November.
Winter (December-February next year): It is often sunny and dry without snow and frost. The coldest month is January with the average temperature of 14.6℃; the extreme minimum temperature of four decades is 2.5 ℃, the average temperature in winter is 15.4 ℃.